Dialog: remove unnecessary body line-height (#11097)

packages/theme-chalk/src/dialog.scss

@@ -66,7 +66,6 @@
   @include e(body) {
     padding: 30px 20px;
     color: $--color-text-regular;
-    line-height: $--dialog-line-height;
     font-size: $--dialog-font-size;
   }